Could you please describe your application: aw/Y# 1, is the emitting source single mode or multimode? what are the parameters i.e. divergence, waist, ... 583ej2HPg 2, is the fiber single mode or multimode? what is the NA, core dia,... 0(Y$xg to[EA6J8l Generally, fiber coupling efficiency of 40%~90% is reasonable. !s.G$ JS< $1H?k Again let us know your specific bug. '97)c7E V:6#IL MANG2004 L'6_~I